1. Which protocol is used to retrieve emails from a mail server to a client?

a) FTP
b) SMTP
c) POP3
d) HTTP

2. What does the acronym URL stand for in relation to the Internet?

a) Universal Resource Locator
b) Uniform Resource Locator
c) Universal Retrieval Link
d) Uniform Retrieval Link

3. Which of the following is NOT a web browser?

a) Mozilla Firefox
b) Google Chrome
c) Adobe Acrobat
d) Safari

4.The default port used by the HTTP protocol is:

a) 21
b) 80
c) 443
d) 25

5. What does the acronym “SMTP” stand for in email communication?

a) Simple Mail Transfer Protocol
b) Secure Mail Transfer Protocol
c) Structured Mail Transfer Protocol
d) System Mail Transfer Protocol

6. Which of the following is an example of an email client software?

a) Google Chrome
b) Microsoft Outlook
c) Facebook Messenger
d) Safari

7. In an email, the field used to specify additional recipients without making their addresses visible to others is called:

a) CC
b) BCC
c) Reply-to
d) Subject

8. What is the purpose of a firewall in computer networks?

a) To optimize internet speed
b) To prevent unauthorized access
c) To store large amounts of data
d) To enhance video quality

9. A domain name in an email address (e.g., @gmail.com) represents:

a) The email provider’s server location
b) The country of origin
c) The web hosting service
d) The organization or mail server that handles email

10. Which of the following protocols ensures secure data transmission over the internet by encrypting it?

a) FTP
b) HTTPS
c) POP3
d) Telnet